Created attachment 1202421 [details]
virt-manager-multiple-display.log

Description of problem:
Guest console has a larger area of black background in virt-manager after opening 4 display for guest using virt-viewer

Version-Release number of selected component (if applicable):
virt-viewer-2.0-12.el7.x86_64
spice-gtk3-0.31-6.el7.x86_64
virt-manager-1.4.0-2.el7.noarch
qemu-kvm-rhev-2.6.0-25.el7.x86_64
libvirt-2.0.0-9.el7.x86_64



How reproducible:
100% 

Steps to Reproduce:
1.Prepare a linux guest with spice+qxl mode and service spice-vdagentd is running in guest
# virsh dumpxml rhel6.7withcdrom
    <channel type='spicevmc'>
      <target type='virtio' name='com.redhat.spice.0' state='connected'/>
      <alias name='channel0'/>
      <address type='virtio-serial' controller='0' bus='0' port='1'/>
    </channel>
    <graphics type='spice' port='5902' autoport='yes' listen='127.0.0.1'>
      <listen type='address' address='127.0.0.1'/>
    </graphics>
    <video>
      <model type='qxl' ram='65536' vram='65536' vgamem='16384' heads='1' primary='yes'/>
      <alias name='video0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
    </video>



2.Open guest's console via virt-viewer and open 4 display by view-> displays
# virt-viewer rhel6.7withcdrom

3.Close virt-viewer of guest via ctrl+c command directly (keep 4 displays of virt-viewer for guest)

4.Open the guest console in virt-manager and find that guest console has a larger area of black background(area of black background =area of 3 displays)and you need to pull the scroll bar to see the graphic, pls refer to screenshot

5.Adjust the console of guest in virt-manager by "view->Scale Display->Auto resize VM with window" option, but use virt-viewer to reconnect vm again, only 1 display showing.


Actual results:
As above description

Expected results:
Guest console which is opened in virt-manager should not be influenced by  multiple displays


Additional info: